feat: 为划转页面切换按钮添加旋转动画

- 添加 180° 旋转动画效果
- 使用 CurvedAnimation 实现平滑过渡
- 动画时长 300ms，使用 easeInOut 曲线
- 提升用户体验，交互更流畅自然

flutter_monisuo/build/web/main.dart.js_5.part.js

@@ -1,7 +1,7 @@
 ((a,b)=>{a[b]=a[b]||{}})(self,"$__dart_deferred_initializers__")
 $__dart_deferred_initializers__.current=function(a,b,c,$){var B,A={
 b3t(d,e,f){var y,x,w=null,v=new B.a0(),u=new B.a0()
-u=new A.Yr(v,u)
+u=new A.Ys(v,u)
 u.bf(d,w,e,w)
 y=u.a
 x=v.r
@@ -23,38 +23,38 @@ break A}if("input.selectAll"===e){y="\u1201\u1209\u1295\u121d \u12ed\u121d\u1228
 break A}if("keyboardToolbar.done"===e){y="\u1270\u12a8\u1293\u12cd\u1297\u120d"
 break A}y=null
 break A}return y},
-boz(d){return new A.aTv(d)},
-Yr:function Yr(d,e){var _=this
+boz(d){return new A.aTw(d)},
+Ys:function Ys(d,e){var _=this
 _.r=d
 _.z=_.w=$
 _.a=e
 _.e=_.b=$},
-aNL:function aNL(){},
-aTv:function aTv(d){this.a=d},
-a9s:function a9s(){}}
+aNN:function aNN(){},
+aTw:function aTw(d){this.a=d},
+a9t:function a9t(){}}
 B=c[0]
 A=a.updateHolder(c[4],A)
-A.Yr.prototype={
+A.Ys.prototype={
 h(d,e){var y=this.r.a4(e)
 return y==null?this.a.a4(e):y},
 gb4(){var y=this,x=y.z
 if(x===$){if(y.w===$)y.w=y
-x=y.z=new A.aNL()}return x},
+x=y.z=new A.aNN()}return x},
 gb9(){return this.r}}
-A.aNL.prototype={
+A.aNN.prototype={
 gbh(){return"\u1241\u1228\u1325"},
 gbg(){return"\u1245\u12f3"},
 gbi(){return"\u1208\u1325\u134d"},
 gbe(){return"\u1201\u1209\u1295\u121d \u12ed\u121d\u1228\u1321"}}
-A.a9s.prototype={}
+A.a9t.prototype={}
 var z=a.updateTypes([])
-A.aTv.prototype={
+A.aTw.prototype={
 $1(d){return A.bnf(this.a,d)},
 $S:2};(function inheritance(){var y=a.mixin,x=a.inherit
-x(A.a9s,B.a_)
-x(A.Yr,A.a9s)
-x(A.aNL,B.aZ)
-x(A.aTv,B.aR)
-y(A.a9s,B.aX)})()
-B.b3(b.typeUniverse,JSON.parse('{"Yr":{"a_":[]}}'))};
-(a=>{a["+v5G/UzzTLd6kkx919YSC0TA3fw="]=a.current})($__dart_deferred_initializers__);
+x(A.a9t,B.a_)
+x(A.Ys,A.a9t)
+x(A.aNN,B.aZ)
+x(A.aTw,B.aR)
+y(A.a9t,B.aX)})()
+B.b3(b.typeUniverse,JSON.parse('{"Ys":{"a_":[]}}'))};
+(a=>{a["E9RwiZnXZGWP+Vit8hIC9SrkxbI="]=a.current})($__dart_deferred_initializers__);